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6. The driving torque on the disk of a watthour meter varies A. directly as the square of the applied voltage. B. inversely as the square of the applied voltage. C. inversely with the applied voltage. D. directly with the applied voltage. 7. A watthour meter has a shaft reduction of 50, a register constant of 10, and a watthour constant of 24.0. What is the register ratio of this meter if it is used with a 200:5-amp current transformer and a 2: 1 potential transformer? A. 1.302 B. 1.042 C. 1.20 D. 1.66 8. Current transformers are always required when A. the current is 100 amp. B. the line voltage is 750 volts C. a Class 100 meter is used. D. a 480/277-volt Y service is used. 9. What is the standard test current for a Class 10 meter? A. 5 amp B. 2.5 amp C. 10 amp D. 1.0 amp

6. The driving torque on the disk of a watthour meter varies A. directly as the square of the applied voltage. B. inversely as the square of the applied voltage. C. inversely with the applied voltage. D. directly with the applied voltage. 7. A watthour meter has a shaft reduction of 50, a register constant of 10, and a watthour constant of 24.0. What is the register ratio of this meter if it is used with a 200:5-amp current transformer and a 2: 1 potential transformer? A. 1.302 B. 1.042 C. 1.20 D. 1.66 8. Current transformers are always required when A. the current is 100 amp. B. the line voltage is 750 volts C. a Class 100 meter is used. D. a 480/277-volt Y service is used. 9. What is the standard test current for a Class 10 meter? A. 5 amp B. 2.5 amp C. 10 amp D. 1.0 amp

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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6. The driving torque on the disk of a watthour meter varies A. directly as the square of the applied voltage. B. inversely as the square of the applied voltage. C. inversely with the applied voltage. D. directly with the applied voltage. 7. A watthour meter has a shaft reduction of 50, a register constant of 10, and a watthour constant of 24.0. What is the register ratio of this meter if it is used with a 200:5-amp current transformer and a 2: 1 potential transformer? A. 1.302 B. 1.042 C. 1.20 D. 1.66 8. Current transformers are always required when A. the current is 100 amp. B. the line voltage is 750 volts C. a Class 100 meter is used. D. a 480/277-volt Y service is used. 9. What is the standard test current for a Class 10 meter? A. 5 amp B. 2.5 amp C. 10 amp D. 1.0 amp
Transcribed Image Text:6. The driving torque on the disk of a watthour meter varies A. directly as the square of the applied voltage. B. inversely as the square of the applied voltage. C. inversely with the applied voltage. D. directly with the applied voltage. 7. A watthour meter has a shaft reduction of 50, a register constant of 10, and a watthour constant of 24.0. What is the register ratio of this meter if it is used with a 200:5-amp current transformer and a 2: 1 potential transformer? A. 1.302 B. 1.042 C. 1.20 D. 1.66 8. Current transformers are always required when A. the current is 100 amp. B. the line voltage is 750 volts C. a Class 100 meter is used. D. a 480/277-volt Y service is used. 9. What is the standard test current for a Class 10 meter? A. 5 amp B. 2.5 amp C. 10 amp D. 1.0 amp
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